The plank is an isometric exercise that activates the entire core, including the rectus abdominis, obliques, and deep spinal ...

A staple of many core workouts, most runners will be familiar with the side plank exercise. But you may be surprised to learn that it's one of the best exercises you can do for working your deep core.

The challenge began with Becky, the night’s winner, issuing a daring proposition to Seacrest. She wanted to see if he could keep up with her in a plank-off. While planking is a common ...

As Ryan Seacrest and Becky turned into the one-arm position, the host fell onto the towel he was exercising on. “Oh, he’s down!” Becky said. Seacrest claimed he slipped in his boots. They held the ...

Yet here I am once again, in a neon-lit studio off Kensington High Street, attempting a ‘side plank’, while balanced on a machine that wouldn’t look out of place in a medieval torture chamber.